| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD/T 1157-2001 |
The Transfer of Calling Party Number between Operators |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1982-2009 |
Technical requirements for ISC/Ma interface in IMS system in mobile communication network |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1638-2007 |
Technical Specification for IPv4 Networks and IPv6 Networks Inter-networking Between Networks |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 927-1997 |
Multipoint communication service for audiographics and audiovisual conferencing service definition |
 (USD) |
via email in
1 business day
|
VALID
|
|
| GB/T 16521-1996 |
General arrangements for interworking between packet switched public data networks (PSPDN) and circuit switched public data networks (CSPDN) for the provision of data transmission services |
 (USD) |
via email in
1 business day
|
ABOLISHED
|
|
| YD/T 708-1993 |
|
 (USD) |
via email in
1-3 business day
|
|
|
| YDB 003-2006 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 803-1996 |
|
 (USD) |
via email in
1-3 business day
|
|
|
| YD/T 1387.1-2005 |
Testing methods of IP trunk media gateway |
 (USD) |
via email in
1-10 business day
|
VALID
|
|
| YD/T 1348-2005 |
Techical requirement for access network--Asymmetric Digital Subscriber Line(ADSL) automatic testing system |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 586-1992 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YDB 008.1-2007 |
Signalling Control Interface Protocol for IP-QoS Part ⅠResource Control Protoco |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1576.3-2007 |
Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment:Mobile Station Part Ⅲ Protocol Compatibility Test |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD/T 1568-2007 |
Technical Specification of 2GHz cdma2000 Digital Cellular Mobile Communication Network:Switching Subsystem |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| SJ 20701.3-1998 |
The interconnection and interoperability of field electronic systems for combined group army Interface for synchronous 16kb/s digital channel |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1374.5-2007 |
Technical Requirements for Iu Interface of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ)Part 5:Data Transport and Transport Signalling |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1106-2001 |
900/1800MHz TDMA Digital Cellular Mobile Communication Network Technical Specification for GPRS(General Packet Radio Service)Base Station System-Serving GPRS Support Node (SGSN)Interface (Gb interface) |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 1605-2007 |
Protocol Requirements of Peer to Peer Multimedia Messaging Service Interworking between Networks |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YDN 056-1997 |
|
 (USD) |
via email in
1-10 business day
|
|
|
| YDC 036-2004 |
800MHz CDMA 1X HRPD Technical specification AT Part |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
|
|
